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单词
manganite
释义
WordReference Random House Unabridged Dictionary of American English © 2024
man•ga•nite
(mang
′
gə nīt′),
USA pronunciation
n.
Mineralogy
a gray to black mineral, hydrous manganese oxide, MnO(OH);
gray manganese ore.
Chemistry
any of a series of salts containing tetravalent manganese and derived from either of two acids, H
4
MnO
4
or H
2
MnO
3
.
mangan
(
ese
) + -
ite
1
1820–30
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更新时间:2024/9/20 20:21:21